Up for sale is this beautiful  ring.It was recently found in a local estate.It is made of Sterling Silver and is so marked inside the band.It is also marked CFJ or Collins Fine Jewelry. It features a massive Opal (I assume some type of synthetic) .The top of the ring measures approx. 17 mm x 41 mm.The ring is an approx. size 5.See ring sizer photo for more details.